download these files
1- (Excel VBA 2007 programmer's referece) click here
2-(creating macros in Excel with VBA) click here
3- Excel level1 ( ExcelLevel1.rar )
4- Excel level2 ( ExcelLevel2.rar )
5- Excel level3 ( ExcelLevel3.rar )
6- Excel VBA programming ( Excel Vba Programming.rar )